As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 100-HOUR INSPECTION, NOTICED FOUR PUSHROD TUBES WERE DENTED. UPON FURTHER INVESTIGATION, FOUND THAT THREE OF THE FOUR PUSHRODS WERE WORN DUE TO RUBBING ON THE PUSHROD SHROUD. THE THREE PUSHRODS WERE WORN FROM 25 PERCENT TO 80 PERCENT THROUGH WALL THICKNESS. SUSPECT CAUSE OF BENT PUSHROD SHROUDS WAS MECHANICS LAYING TOOLS AND EQUIPMENT ON ENGINE DURING MAINTENANCE.